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Eosin Y

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Identification
Molecular formula
C20H6Br4Cl2O5
CAS number
15086-94-9
IUPAC name
2',4',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-spiro[isobenzofuran-3,9'-xanthene]-1-one
State
State

Eosin Y is typically found as a solid at room temperature. In its solid form, it is a crystalline powder that is slightly soluble in water and more soluble in ethanol or other organic solvents.

Melting point (Celsius)
258.00
Melting point (Kelvin)
531.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
647.88g/mol
Molar mass
647.8830g/mol
Density
2.2400g/cm3
Appearence

Eosin Y is characterized by its bright red or reddish-brown powder form. It is commonly used as a fluorescent dye. The appearance might change depending on the form of the compound (solid, solution, etc.) and the concentration when used in solutions.

Comment on solubility

Solubility of 2',4',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-spiro[isobenzofuran-3,9'-xanthene]-1-one

The solubility of the compound 2',4',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-spiro[isobenzofuran-3,9'-xanthene]-1-one can be described as *limited* in common solvents. This is influenced by several factors:

  • Polarity: The presence of multiple halogen atoms and hydroxyl groups suggests potential polarity, but the overall structure may lead to a lower solubility in polar solvents.
  • Hydrophobic Effects: The xanthene moiety contributes hydrophobic characteristics, which further decreases solubility in aqueous solutions.
  • Intermolecular Interactions: Strong intermolecular forces such as Van der Waals interactions may limit the compound’s ability to dissolve in typical organic solvents.

As a result, this compound may demonstrate better solubility in organic solvents such as dimethyl sulfoxide (DMSO) or dimethylformamide (DMF), but is likely to exhibit poor solubility in water.

In summary, while the intricate structure of this compound provides fascinating chemical properties, its *limited solubility* should be taken into account when considering its use in various applications.

Interesting facts

Interesting Facts About 2',4',5',7'-Tetrabromo-4,7-Dichloro-3',6'-Dihydroxy-Spiro[Isobenzofuran-3,9'-Xanthene]-1-One

This fascinating compound is part of a class of materials known for their unique structural properties and biological activities. Its complex molecular structure is characterized by the presence of multiple halogens, hydroxy groups, and a distinctive spiro configuration. Here’s what makes it particularly interesting:

  • Bioactivity: Compounds like this one often exhibit significant biological activity, making them of particular interest for medicinal chemistry. Many derivatives have been studied for their potential **antimicrobial, antiviral**, or **anticancer properties**.
  • Environmental Impact: The presence of bromine and chlorine suggests it may be subject to scrutiny due to its environmental persistence and potential bioaccumulation, raising questions about its **ecotoxicology**.
  • Applications: Beyond its potential biological activities, such compounds have applications in **fluorescent dyes**, analytical chemistry, and even in the fields of material science for developing **new photonic materials**.
  • Synthesis Challenges: The synthesis of such heavily substituted compounds can present significant challenges, often requiring intricate multi-step reactions and careful control of reaction conditions to achieve desired yields and purity.
  • Structural Variety: The spiro structure provides unique spatial orientation, leading to interesting properties that differ from linear or cyclic counterparts. This can lead to diverse chemical reactivity and interaction with biological systems.

In summary, 2',4',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-spiro[isobenzofuran-3,9'-xanthene]-1-one is not just a compound but a window into a world of **chemical innovation** and **biological exploration**. As research continues, the implications of such compounds in diverse fields will undoubtedly expand.